V450 Aquilae

V450 Aquilae
	; The visual band light curve of V450 Aquilae, adapted from Percy et al. (2001)[1]
Observation data; Epoch J2000 Equinox J2000
Constellation	Aquila
Right ascension	19h 33m 46.031s[2]
Declination	+05° 27′ 56.54″[2]
Apparent magnitude (V)	6.48
Characteristics
Spectral type	M5-5.5III
B−V color index	1.471
Variable type	Semiregular
Astrometry
Radial velocity (Rv)	3 km/s
Proper motion (μ)	RA: −5.26 ± 0.53[2] mas/yr ; Dec.: −24.24 ± 0.32[2] mas/yr
Parallax (π)	4.94 ± 0.47 mas[2]
Distance	660 ± 60 ly ; (200 ± 20 pc)
Absolute magnitude (MV)	−1.87
Details
Luminosity	2172[3] L☉
Temperature	3326[3] K
Other designations
	SAO 124789, BD+05° 4190, HD 184313, HIP 96204.
Database references
SIMBAD	data

V450 Aquilae is semi-regular pulsating star in the constellation Aquila. Located around 660 light-years distant, it shines with a luminosity approximately 2172 times that of the Sun and has a surface temperature of 3326 K.[3]

References

Percy, John R.; Wilson, Joseph B.; Henry, Gregory W. (August 2001). "Long-Term VRI Photometry of Small-Amplitude Red Variables. I. Light Curves and Periods". Publications of the Astronomical Society of the Pacific. 113 (786): 983–996. Bibcode:2001PASP..113..983P. doi:10.1086/322153. S2CID 14609175.
van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID 18759600.Vizier catalog entry
McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352.

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[Percy-1] Percy, John R.; Wilson, Joseph B.; Henry, Gregory W. (August 2001). "Long-Term VRI Photometry of Small-Amplitude Red Variables. I. Light Curves and Periods". Publications of the Astronomical Society of the Pacific. 113 (786): 983–996. Bibcode:2001PASP..113..983P. doi:10.1086/322153. S2CID 14609175.

[van_Leeuwen2007-2] van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID 18759600.Vizier catalog entry

[Mcdonald-3] McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352.